-3.87% is the change from 336 to 323
Calculation steps:
[( 323 - 336 ) ÷ 336] x 100 = -3.87%
Formula
Percentage change = [(323 - 336) / 336] x 100
Subtract the new number by the original number
323 - 336 = -13
-13 ÷ 336 = -0.03869047619047619
-0.03869047619047619 x 100 = -3.87%